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ipn
13 days ago
8

Consider the following equation, bh+hr=25 when solving for r

Mathematics
2 answers:
AnnZ [3.8K]13 days ago
8 0

Answer:

r=\frac{25-bh}{h}

Step-by-step explanation:

Given: Consider the equation, bh+hr=25

To find: How to solve for r?

Solution:

The corresponding equation is bh+hr=25 to solve for r,

Subtract 'bh' from both sides,

bh+hr-bh=25-bh

hr=25-bh

Divide both sides by 'h',

\frac{hr}{h}=\frac{25-bh}{h}

r=\frac{25-bh}{h}

Hence, r=\frac{25-bh}{h}

Leona [4.1K]13 days ago
4 0
Solve for r.

The goal is to isolate r on one side of the equation.

bh + hr = 25

Subtract bh from both sides.

hr = 25 - bh

Now divide both sides by h.

r = (25 - bh) / h

The h's will cancel each other out.

r = 25 - b

I hope this clarifies things!
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Assume that the flask shown in the diagram can be modeled as a combination of a sphere and a cylinder. Based on this assumption,
Svet_ta [4321]

Answer:

Here’s the response provided

Step-by-step explanation:

Referring to the flask diagram, the diameter of the cylinder measures 1 inch and its height (h) is 3 inches. Thus, the radius of the cylinder (r) = diameter / 2 = 1/2 = 0.5 inch

The volume of the cylinder can be calculated as πr²h = π(0.5)² × 3 = 2.36 in³

As for the sphere, its diameter is 4.5 in. Hence, the radius of the sphere R = diameter / 2 = 4.5/2 = 2.25 in

The volume of the sphere is calculated as 4/3 (πR³) = 4/3 × π × 2.25³ = 47.71 in³

The total volume of the flask = Volume of the cylinder  + Volume of the sphere = 2.36 + 47.71 = 50.07 in³

<pWhen the cylinder and the sphere are expanded by a scale factor of 2, the height (h') of the cylinder becomes 3/2 = 1.5 inches and the radius (r') becomes 0.5/2 = 0.025 inches.

The new volume for the cylinder = πr'²h' = π(0.25)² × 1.5 = 0.29 in³

For the sphere, the new radius is R' = 2.25 / 2 = 1.125 in.

The new volume of the sphere = 4/3 (πR'³) = 4/3 × π × 1.125³ = 5.96 in³

Thus, the new volume of the flask = The new volume of the cylinder  + The new volume of the sphere = 0.29 + 5.96 = 6.25 in³

<pThe ratio of the new volume to the original volume = New Volume of the flask / Volume of the flask = 6.25 / 50.07 = 1/8 = 0.125<pThe resulting volume will thus be 0.125 times the original volume

6 0
4 days ago
What is the nearest ten thousand, the population of Vermont was estimated to be about 620,000 in 2008 . What might have been the
AnnZ [3877]

Answer:

The exact population of Vermont in 2008 could have been around 618,000

Step-by-step explanation:

* Here's how rounding to the nearest ten thousand works:

- Numbers ending with the last four digits between 0001 and 4999 are rounded down to the nearest lower multiple of ten thousand

- Example: 83,525 rounds down to 80,000.

- If the last four digits are 5000 or above, round up to the next higher ten thousand

- Example: 58,988 rounds up to 60,000

* Applying this rule to the problem given:

Since the rounded population is 620,000 to the nearest ten thousand, the actual population could be any value with the last four digits from 0001 to 4999 (like 618,000) or from 5000 upwards (like 624,000).

Therefore, 618,000 might represent the actual population of Vermont in 2008

6 0
15 days ago
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lawyer [4008]

Answer: 13

I made an error on the question, and it provided the right answer. Thank me later.

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The width of the pond is 3.5 meters.

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